Trouton’s ratio of ______________ liquids is calculated using Kistyakowsky equation?

Related Mcqs:

1. The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H – P. This equation is called the ___________________?

   A. Maxwell’s equation
   B. Thermodynamic equation of state
   C. Equation of state
   D. Redlich-Kwong equation of state

2. The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the _____________ equation?

   A. Van Laar
   B. Margules
   C. Gibbs-Duhem
   D. Gibbs-Duhem-Margules

3. To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 – 1/T2) from the exact Clapeyron equation, it is assumed that the____________________?

   A. Volume of the liquid phase is negligible compared to that of vapour phase
   B. Vapour phase behaves as an ideal gas
   C. Heat of vaporisation is independent of temperature
   D. All A , B. & C.

4. In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is_______________?

   A. More
   B. Less
   C. Same
   D. Unpredictable; depends on the particular reaction

5. Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which___________________?

   A. A homogeneous solution (say of phenol water) is formed
   B. Mutual solubility of the two liquids shows a decreasing trend
   C. Two liquids are completely separated into two layers
   D. None of these

6. If an ideal solution is formed by mixing two pure liquids in any proportion, then the ___________________ of mixing is zero?

   A. Enthalpy
   B. Volume
   C. Both A. & B.
   D. Neither A nor B

7. In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible ______________ process?

   A. Isobaric
   B. Isothermal
   C. Isentropic
   D. Isometric

8. In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible ______________ process?

   A. Isothermal
   B. Adiabatic
   C. Isentropic
   D. Polytropic

9. ______________ Equation predicts the activity co-efficient from experimental data ?

   A. Lewis-Randall
   B. Margules
   C. Van Laar
   D. Both B. & C.

10. The four properties of a system viz. P, V, T, S are related by ______________ equation?

    A. Gibbs-Duhem
    B. Gibbs-Helmholtz
    C. Maxwell’s
    D. None of these